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/**CFile****************************************************************
FileName [esopMan.c]
SystemName [ABC: Logic synthesis and verification system.]
PackageName [Cover manipulation package.]
Synopsis [SOP manipulation.]
Author [Alan Mishchenko]
Affiliation [UC Berkeley]
Date [Ver. 1.0. Started - June 20, 2005.]
Revision [$Id: esopMan.c,v 1.00 2005/06/20 00:00:00 alanmi Exp $]
***********************************************************************/
#include "esop.h"
////////////////////////////////////////////////////////////////////////
/// DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
/// FUNCTION DEFINITIONS ///
////////////////////////////////////////////////////////////////////////
/**Function*************************************************************
Synopsis [Starts the minimization manager.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Esop_Man_t * Esop_ManAlloc( int nVars )
{
Esop_Man_t * pMan;
// start the manager
pMan = ALLOC( Esop_Man_t, 1 );
memset( pMan, 0, sizeof(Esop_Man_t) );
pMan->nVars = nVars;
pMan->nWords = Esop_BitWordNum( nVars * 2 );
pMan->pMemMan1 = Esop_MmFixedStart( sizeof(Esop_Cube_t) + sizeof(unsigned) * (1 - 1) );
pMan->pMemMan2 = Esop_MmFixedStart( sizeof(Esop_Cube_t) + sizeof(unsigned) * (2 - 1) );
pMan->pMemMan4 = Esop_MmFixedStart( sizeof(Esop_Cube_t) + sizeof(unsigned) * (4 - 1) );
pMan->pMemMan8 = Esop_MmFixedStart( sizeof(Esop_Cube_t) + sizeof(unsigned) * (8 - 1) );
// allocate storage for the temporary cover
pMan->ppStore = ALLOC( Esop_Cube_t *, pMan->nVars + 1 );
// create tautology cubes
Esop_ManClean( pMan, nVars );
pMan->pOne0 = Esop_CubeAlloc( pMan );
pMan->pOne1 = Esop_CubeAlloc( pMan );
pMan->pTemp = Esop_CubeAlloc( pMan );
pMan->pBubble = Esop_CubeAlloc( pMan ); pMan->pBubble->uData[0] = 0;
// create trivial cubes
Esop_ManClean( pMan, 1 );
pMan->pTriv0 = Esop_CubeAllocVar( pMan, 0, 0 );
pMan->pTriv1 = Esop_CubeAllocVar( pMan, 0, 0 );
Esop_ManClean( pMan, nVars );
return pMan;
}
/**Function*************************************************************
Synopsis [Cleans the minimization manager.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Esop_ManClean( Esop_Man_t * p, int nSupp )
{
// set the size of the cube manager
p->nVars = nSupp;
p->nWords = Esop_BitWordNum(2*nSupp);
// clean the storage
memset( p->ppStore, 0, sizeof(Esop_Cube_t *) * (nSupp + 1) );
p->nCubes = 0;
}
/**Function*************************************************************
Synopsis [Stops the minimization manager.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Esop_ManFree( Esop_Man_t * p )
{
Esop_MmFixedStop ( p->pMemMan1, 0 );
Esop_MmFixedStop ( p->pMemMan2, 0 );
Esop_MmFixedStop ( p->pMemMan4, 0 );
Esop_MmFixedStop ( p->pMemMan8, 0 );
free( p->ppStore );
free( p );
}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
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